Home / 985,751.80-1,481,738.10-911,102.20

Finding the Fourth Proportional to 985,751.80, 1,481,738.10 and 911,102.20

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Solution

The fourth proportional to 985,751.80, 1,481,738.10 and 911,102.20 is: 1,369,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,751.80 : 1,481,738.10 = 911,102.20 : x
  2. Step 2: Convert to fraction form
    985,751.80/1,481,738.10 = 911,102.20/x
  3. Step 3: Cross multiply
    985,751.80x = 1,481,738.10 × 911,102.20
  4. Step 4: Simplify right side
    985,751.80x = 1,350,014,842,733.82
  5. Step 5: Solve for x
    x = 1,350,014,842,733.82/985,751.80
  6. Step 6: Final answer
    x = 1,369,528.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.